FITTING 3 PIPE THREAD AND FITTINGS - Practice Mode

1) Which material is used to join C.I. pipes?

Pig lead Molten rubber Brass Zinc

Correct Answer: Pig lead

2) What is the length of pipe projection required from the vice while threading GI pipes?

100-125 mm 125-150 mm 150-200 mm 150-250 mm

Correct Answer: 150-250 mm

3) What is the advantage of cast iron pipes?

Less corrosion Rarely available Costly Crack easily

Correct Answer: Less corrosion

Explanation:

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4) Why the A.C pipe should be laid with precautions?

More shock resistance Less shock resistance High shock resistance Medium shock resistance

Correct Answer: Less shock resistance

5) Which material is used to apply as coating on cast iron pipes?

Molten lead Bituminous solution Molten rubber Molten iron

Correct Answer: Bituminous solution

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